CVE-2026-36607
Unauthenticated brute-force on Mercusys AC12G router password-change endpoint.
Is CVE-2026-36607 being exploited?
Not confirmed. CVE-2026-36607 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.18% probability of exploitation in the next 30 days.
How severe is CVE-2026-36607?
CVE-2026-36607 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-36607?
Yes. A fix has been recorded for CVE-2026-36607. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-36607 affect?
CVE-2026-36607 affects Mercusys AC12G (EU) router, AC12G(EU)_V1_200909 firmware. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-36607?
Patch when available; disable remote admin; update firmware.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Admin account takeover via unlimited password attempts from adjacent network; no rate limiting.
Monitor only